OutputTools< Real >::VariableValue VariableValue
This postprocessor computes a volume integral of the second time derivative of a given variable.
static InputParameters validParams()
const VariableValue & _u_dotdot
Holds the solution second derivative wrt time at the current quadrature points.
virtual Real computeQpIntegral() override
This postprocessor computes a volume integral of the specified variable.
const InputParameters & parameters() const
Get the parameters of the object.